Home / 6,986.77-10,487.03-5,132.68

Finding the Fourth Proportional to 6,986.77, 10,487.03 and 5,132.68

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Solution

The fourth proportional to 6,986.77, 10,487.03 and 5,132.68 is: 7,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.77 : 10,487.03 = 5,132.68 : x
  2. Step 2: Convert to fraction form
    6,986.77/10,487.03 = 5,132.68/x
  3. Step 3: Cross multiply
    6,986.77x = 10,487.03 × 5,132.68
  4. Step 4: Simplify right side
    6,986.77x = 53,826,569.14
  5. Step 5: Solve for x
    x = 53,826,569.14/6,986.77
  6. Step 6: Final answer
    x = 7,704.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.